#include<bits/stdc++.h> using namespace std; int main(){ int n,maxn=0,minn=101,a[101],sum=0; double pj; cin>>n; for(int i=0;i<n;i++) { cin>>a[i]; sum+=a[i]; if(a[i]>maxn) maxn=a[i]; if(a[i]<minn) minn=a[i]; } cout<<sum<<" "; pj=float(sum)/n; printf("%.2f",pj); cout<<" "<<maxn<<" "<<minn; return 0; }